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LH1546AABTR from VISHAY

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LH1546AABTR

Manufacturer: VISHAY

1 Form A Solid State Relay

Partnumber Manufacturer Quantity Availability
LH1546AABTR VISHAY 547 In Stock

Description and Introduction

1 Form A Solid State Relay **Part Number:** LH1546AABTR  
**Manufacturer:** VISHAY  

### **Specifications:**  
- **Type:** Solid State Relay (SSR)  
- **Output Type:** MOSFET  
- **Output Voltage:** 60V  
- **Output Current:** 0.4A  
- **Input Voltage Range:** 1.15V to 1.45V (LED Forward Voltage)  
- **Input Current:** 5mA (Typical)  
- **Isolation Voltage:** 3750Vrms  
- **Switching Time:** 0.5ms (Turn-On), 0.05ms (Turn-Off)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOP-4 (Small Outline Package)  

### **Descriptions:**  
The LH1546AABTR is a high-reliability solid-state relay designed for low-power switching applications. It features a MOSFET output for efficient switching and provides galvanic isolation between the input and output.  

### **Features:**  
- Low input power requirement  
- High isolation voltage (3750Vrms)  
- Fast switching speed  
- Compact SOP-4 package  
- RoHS compliant  
- Suitable for industrial and automation applications  

This relay is commonly used in signal switching, instrumentation, and control systems.

Application Scenarios & Design Considerations

1 Form A Solid State Relay
Partnumber Manufacturer Quantity Availability
LH1546AABTR INFINEON 19538 In Stock

Description and Introduction

Solid State Relay (SSR) 1FormA The part **LH1546AABTR** is manufactured by **Infineon**.  

### **Specifications:**  
- **Type:** Optocoupler (Solid-State Relay)  
- **Input Type:** LED  
- **Output Type:** Phototransistor  
- **Isolation Voltage:** 3750Vrms  
- **Collector-Emitter Voltage (VCEO):** 70V  
- **Collector Current (IC):** 50mA  
- **Forward Current (IF):** 60mA  
- **Forward Voltage (VF):** 1.5V (typical)  
- **Switching Time (tON/tOFF):** 3μs / 4μs (typical)  
- **Operating Temperature Range:** -40°C to +100°C  
- **Package:** SMD (SOIC-4)  

### **Descriptions:**  
- The **LH1546AABTR** is a high-speed optocoupler with a GaAs infrared LED and a silicon phototransistor.  
- It provides electrical isolation between input and output circuits.  
- Suitable for high-voltage applications requiring fast switching.  

### **Features:**  
- **High Isolation Voltage (3750Vrms)**  
- **Fast Switching Speed**  
- **Low Input Current Requirement**  
- **Compact SOIC-4 Package**  
- **Reliable Performance in Harsh Environments**  
- **Compliant with RoHS Standards**  

This information is based on Infineon's datasheet for the **LH1546AABTR** optocoupler.

Application Scenarios & Design Considerations

Solid State Relay (SSR) 1FormA

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